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<html lang="en">

<head>
	<meta charset="UTF-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Document</title>
</head>

<body>
	<script>
		var str = '黑马'
		console.log(encodeURI(str)); //加密   %E9%BB%91%E9%A9%AC

		let str2 = '%E9%BB%91%E9%A9%AC'
		console.log(decodeURI(str2)); //  解密   黑马
	</script>
</body>

</html>
